diff options
Diffstat (limited to 'src/cpu/intel/car')
-rw-r--r-- | src/cpu/intel/car/cache_as_ram.inc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/cpu/intel/car/cache_as_ram.inc b/src/cpu/intel/car/cache_as_ram.inc index 6ff0287186..d8465f4b2f 100644 --- a/src/cpu/intel/car/cache_as_ram.inc +++ b/src/cpu/intel/car/cache_as_ram.inc @@ -221,6 +221,11 @@ clear_fixed_var_mtrr_out: */ movl $MTRRphysBase_MSR(1), %ecx xorl %edx, %edx + /* + * IMPORTANT: The two lines below can _not_ be written like this: + * movl $(REAL_XIP_ROM_BASE | MTRR_TYPE_WRBACK), %eax + * http://www.coreboot.org/pipermail/coreboot/2010-October/060855.html + */ movl $REAL_XIP_ROM_BASE, %eax orl $MTRR_TYPE_WRBACK, %eax wrmsr |